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Which objects sank and which floated!!!

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Maria Ioanna Rigopoulou 52nd Kindergarten of Patras Greece 

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Maria Ioanna Rigopoulou 52nd Kindergarten of Patras Greece 

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Edina Đorović, "Ladybugs", "Šumica" kindergarten, Subotica

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Edina Đorović, "Ladybugs", "Šumica" kindergarten, Subotica

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Ena and Lana, Kindergarten Morčić, Rijeka, Croatia

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Ena and Lana, Kindergarten Morčić, Rijeka, Croatia

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We made experiment with water- filtration of water through different types of soil ( stony, earthy and grassy), becaus when we picked water from the lake, we saw it wasn't clean. And watching on mycroscope we saw organisms swimming. We conclude that cleanest water came out of grassy soil! For some, that was a surprise

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3rd Kindergarten of Artemis GREECE Sylvia Karagiannis Does it float or does it sink?? 

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3rd Kindergarten of Artemis GREECE Sylvia Karagiannis Does it float or does it sink?? 

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After we looked through all of the materials that we gathered from our visit to the Wetlands, we decided to conduct an experiment to see which materials float and which sink. We also expanded our experiment to other ingredients such as sugar, salt, coffee, oil and a surprise for the end with coloured tissue paper .... I see that many of you have already conducted this experiment but we have never done it and all the students learned how objects react to water and they had lots of fun!!!

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Βουλιάζει ή επιπλέει;; Ένα πείραμα νερού με φυσικά υλικά 

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Simopoulou Fotini                                52ο nd Kindergarten of Patras Greece

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Simopoulou Fotini                                52ο nd Kindergarten of Patras Greece

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"The water cycle"

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Bubbles, Lana and Ena

We tested the density of liquids and the solubility of liquids ( oil) in water. water, oil and drops of colour... and you get this beauty...

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Bubbles, Morčić, Lana and Ena

Is Ice water?

How long does it takes to melt?

Can we eat it?

Does it melt faster or slower when it's colored? Or when we put salt on it, or sugar...

all that we found out in this experiment, and we made some beautiful art with it

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Ana Madić, kindergarten ..Čika Jova Zmaj" Pirot, Serbia

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Ana Madić, kindergarten ..Čika Jova Zmaj" Pirot, Serbia

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The soap and water experiment

The fish that were put in the water stood still and sank, while those that were smeared with liquid soap floated, because the soap protects the paper and it cannot get wet, so it swims happily on the water, like a boat.

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Sonata Stoškuvienė, Rokiskis Juozas Tubelis progymnasium

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Sonata Stoškuvienė, Rokiskis Juozas Tubelis progymnasium

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Students conducted an experiment with water brought from lakes. They learned how to make a water filtration device from simple elements. They recorded data and observed water filtration with sand.

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Delimani Vasiliki. 3rd Kindergarten of Artemis (Full Day class)

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Delimani Vasiliki. 3rd Kindergarten of Artemis (Full Day class)

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Creating the Archimedes screw

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Βάσω Δελημάνη

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Κατασκευάζοντας τον Κοχλία του Αρχιμήδη

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How are colors made?

What happens to water when we add colored eyeliner to it?

How can we change the color? How do the colors that we see every day, with which we paint, are created?

We explored all of this in our group

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The Kockice had fun with the question 'Does water travel?' The capillarity of water was an experiment that the children liked very much, so we also tried the experiment with cabbage, flowers...

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The mother of the boy from the group brought us 'magic balls'. They looked quite ordinary, but after we added water to them, we watched as they began to absorb water and grow...

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Agathi Pagania,52nd kindergarten of Patras/Greece

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Kindergarten "Duga", Zagreb, Croatia - teacher Valentina Glavica

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Kindergarten "Duga", Zagreb, Croatia - teacher Valentina Glavica

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Popovici Tatiana Adriana - Grădinița P.P. “Curcubeul copiilor” Arad, România 

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In this experiment, children explored how rain forms. Using water, shaving foam and colored water, they created their own “rain in a glass.” This simple and fascinating activity helped them understand the water cycle in a playful and visual way.

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3rd Kindergarten of Artemis (Full Day Class )Delimani Vassiliki

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3rd Kindergarten of Artemis (Full Day Class )Delimani Vassiliki

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Experiment with water

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Βάσω Δελημάνη

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Εxperiments with water. We make our own filter.

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Ana Madić, kindergarten ,,Čika Jova Zmaj" Pirot, Serbia 

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Ana Madić, kindergarten ,,Čika Jova Zmaj" Pirot, Serbia 

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The mother of the girl in the group brought ice for us to experiment with. The children painted the ice in the colors of the lake. Then we left it in a warm place to investigate what would happen. The ice melted and then the children suggested that we freeze the water again. After that, we painted a lake with ice. The children were delighted!

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Snježana Horvat DV Rijeka, Cpo Potok, PPO Podmurvice

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Snježana Horvat DV Rijeka, Cpo Potok, PPO Podmurvice

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How do plants drink water?

The cubes were interested in how and why plants drink water. It all started with a story after which the children did not believe that plants also drink water. That's why we did experiments on capillarity to visually see how plants drink water. The color in the water showed her way

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Еdina Đorović, "Ladybugs" , Šumica kindergarten, Subotica

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Еdina Đorović, "Ladybugs" , Šumica kindergarten, Subotica

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Experiment: Pinecones in Water

When dry pinecones are placed in water, they slowly close up. The scales of the pinecone absorb water and swell, which makes them move closer together. When the pinecone dries again, the scales open back up. This experiment shows how pinecones react to moisture — they close when it’s wet to protect their seeds and open when it’s dry to release them.

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Today we turned into young scientists! During our lesson, we collected water from the nearby lake and carried out a series of experiments to explore its characteristics. Together, we:

• observed the water’s color, smell, and clarity

• performed sedimentation to see what tiny particles were in it

• took simple measurements (temperature, pH, floating particles)

• compared it with tap water

• discussed how the environment influences water quality . The children enthusiastically took notes, made drawings, and created their own mini research reports.

It was wonderful to see how their curiosity grew as they explored the world around them!

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Preparatory class Step by Step, teachers: Godja Adina Veronica/Berinde Măricuța-Ioana, Gymnasium School ”Dr. Ioan Mihalyi de Apșa”, Sighetu-Marmației, Maramureș, România

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Preparatory class Step by Step, teachers: Godja Adina Veronica/Berinde Măricuța-Ioana, Gymnasium School ”Dr. Ioan Mihalyi de Apșa”, Sighetu-Marmației, Maramureș, România

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Our students try at home the experiments that we have showed to them at school.We have here an exemple of the experiments that we showed to them.

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Berinde Măricuța-Ioana, School ”Dr. Ioan Mihalyi de Apșa”, Sighetu-Marmației, Maramureș, România

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Berinde Măricuța-Ioana, School ”Dr. Ioan Mihalyi de Apșa”, Sighetu-Marmației, Maramureș, România

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Experiments with water: we put water in a large bowl and we try to put animals from the lake's in the water to see if they stay on the water or sink.This activity was a pleasure for the kids.

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Vintage Aesthetic Summer Photo Collage  (3)

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Kindergarten Morčić, Rijeka, Croatia

Group Bubbles

Teachers Lana and Ena

To include our main task in school, we are making self-sustaining gardens. We are using alredy used plastic bottles (reuse) and rope (we made hole in the cover of the bottle) water and soil. We cut of the bottom of the bottle, put water in it. On that we turned around bottle with rope, soil and seeds. Will the water travel up the rope? And will it water the soil?

Most of the children aren't convinced that it will work...

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Vaida Nainė. Kaunas kindergarten Vilnelė. Lithuania

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Vaida Nainė. Kaunas kindergarten Vilnelė. Lithuania

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Boldly experimenting, the children mixed the colors like true artists, discovering what would happen when they blew a little stronger or just gently touched the straw with their lips. Every bubble became a discovery, every little spot — a new story. This activity, filled with creativity, imagination, and laughter, not only brought the children joy but also allowed them to explore the world of colors through play and sensory experience.

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PPO Morčić, Rijeka

Group Bubbles, Ena i Lana

Experimenting with water- we made mini lake with plants in it

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3rd Kindergarten of Artemis GREECE Sylvia Karagiannis

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Water experiment: Can we make our own rainbow with tissue paper and water?? 

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Godja Adina Veronica, Sighetu-Marmației, Maramureș, România

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Godja Adina Veronica, Sighetu-Marmației, Maramureș, România

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Water Experiments – Learning Through Discovery

As part of Our world lakes through childrens eyes project, students explored the fascinating properties of water through simple and engaging experiments. By observing, predicting, testing, and discussing results, children developed their scientific thinking and problem-solving skills.

The experiments encouraged curiosity and hands-on learning, helping students understand concepts such as floating and sinking, mixing substances, and the importance of water in everyday life. Through teamwork and observation, young learners experienced the joy of discovery while building confidence in their ability to explore the world around them.

These activities transformed our classroom into a laboratory of exploration, where every experiment sparked excitement, questions, and new learning opportunities.

Learning science one drop at a time! 💧🔬✨